Oil-gun.



Patented Feb. 15,1910.

Inventors HENRY G. MOLINARI AND HENRY LA URENT, OF WOODRIDGE, NEW JERSEY.

OIL-GUN.

Application filed May 11,

Specification of'L-etters Patent.

Patented Febr 15, 1910. 1908. Serial No. 432,231. I

To all whom it may concern:

Be it known that we, Hi-zxnv G. MoLINARI and Hrzxnr Lufnnx'r, citizens of the United States, and residents of 'oodridge, in the. county of Bergen and State of New Jersey, have invented certain new and uset'ul'lmprovements in Oil-Guns, of which the following is a specification.

The object of our invention is to provide a new and improved oil gun. which is simple in construction, strong and durable very compact, and can be easily and rapidly filled for use and by means of which the oil can easily be discharged to any place when required.

In the accompanying drawings, in which like numerals of reference indicate like parts in all the figures :Figure 1 is a longitudinal sectional view of our improved oil gun, as filled and ready for discharging oil. Fig. 2 is an enlarged. detail sectional view showing the end of the piston rod secured-on the piston. Fig. 3 is an enlarged detail sectional view of the discharge end showing this end closed. Fig. 1 a detail sectional view on the line X--X Fig.

The oil receptacle 1 is composed of a tube closed at one end by a screw cap 2 having a central aperture through which 'a piston rod 3 passes. provided at its outer end with a suitable handle 4-. The piston rod passes freely through a suitable piston provided with suitable packing .t. At the lower side the piston has an internally threaded neck 7 into which a threaded part 8 at the inner end of the piston rod can be screwed, said part 8 having a slightly greater diameter than the rest of the rod. A disk 9 is secured on the extreme end of the rod. A stufling box 10 containing a suitable packing is socured on that face of the piston opposite the one rovided with the neck 1', through which stu ng box the piston rod passes freely.

The lower end of the tube 1 is closed by a head 12 having a tubular lateral neck 13 from the .bore of which an opening 14 extends .r'm'wardly to the periphery oi. the neck from which opening grooves 15 extend in opposite direction in the periphery of the neck. The neck 13 is surrounded by a close fitting ring 16 having an opening 17 adapted to register with the opening 14k and grooves 15 and which communlcates with the inner end of a nozzle 18 secured on said I ring. This ring is held in place on the neck by a screw 19 screwed into the end of the neck.

To fill the tube 1, the nozzle 18, Figs. 1

of the tube and to point away from it in communicates with the neck 13. The piston rod is turned so that its threaded part 8 secured on the rod and then the piston is forced to the lower end of the tube 1. The nozzle 18 is inserted into a vessel containing oil and the piston rod is pulled up until the piston 5 is at the cap 2 whereby the tube 1 is filled with oil. The nozzle 18 is then turned up and into the position shown in Fig. 1, whereby the lower end of the tube is securelyclosed, as the hole in the ring rests over a solid portion of the neck- 13 as shown in Fig. l. The piston rod is then then the piston rod is pushed inward, the piston remaining at the upper end of the tube, adjacent to the cap 2. In this position the device is carried until the oil is required.

turned down in line with the axis of the tube 1, or at any desired angle thereto within an arc of approximately 180 degrees. Then the piston is withdrawn and turned so that its threaded part screws into the neck 7. Then thepiston rod .is pushed down and forces the oil out through the nozzle.

It will be observed that by incans'of the grooves 15 extending on opposite sides of the opening 14: the nozzle 18 may be turned through an arc of approximately 180 degrees and still be in communication with thc'interior of the oil can. a The nozzle may therefore be turned at any desired angle to the axis of the tube within the said are of 180 degrees and be capable of discharging oil. This is a great advantage in oiling parts of machinery where the oil holes are sometimes ditticult of access. p

Having described our invention whatwe claim as new and desire to secure by Letters Patent is In an oil gun, the combination of a tube for containing oil closed at its outer end and provided with a laterally extending neck adjacent thereto, said neck being which position, by means of the hole 14 it screws into the neck 7 so that the piston is full lines in Fig. 3 and in dotted lines in turned tov unscrw it from the piston and' When the device is to be used the nozzle is and 3 and l, is turned to extend lengthwise closed :11 its outer mid and provided with 21 therein. and means for forcing oil from disvhurgv uponiug in its from side (.(HU- (he tuhu through the nozzle. .niunivuling with the interior of the tube: Signed at Wmdridge' in iho county of and grm'es leading from said discharge Bergen and State of New Jersey this 5' opening in opposite directions (-ircumfertwenty seventh day Of February A; D. 1908.. .15

entinily, a ring rotutzibly supported on'the HENRY G. MOLTNAIU. neck and provided with an opening to reg- I HENRY LAURENT. istor with said discharge opening and said Witnesses: grooves, u. nozzle secured to the ring and FREDERICK KQBERTZ, 10 forming 11 continuation of the opening ALFRED GBAMLIGH. 

